Skip to content

Commit

Permalink
target/arm: Enable SVE2 and related extensions
Browse files Browse the repository at this point in the history
Disable I8MM again for !have_neon during realize.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-93-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
  • Loading branch information
rth7680 authored and pm215 committed May 25, 2021
1 parent cdc8d8b commit f8680aa
Show file tree
Hide file tree
Showing 3 changed files with 16 additions and 0 deletions.
2 changes: 2 additions & 0 deletions target/arm/cpu.c
Expand Up @@ -1503,6 +1503,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)

t = cpu->isar.id_aa64isar1;
t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 0);
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 0);
cpu->isar.id_aa64isar1 = t;

t = cpu->isar.id_aa64pfr0;
Expand All @@ -1517,6 +1518,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
u = cpu->isar.id_isar6;
u = FIELD_DP32(u, ID_ISAR6, DP, 0);
u = FIELD_DP32(u, ID_ISAR6, FHM, 0);
u = FIELD_DP32(u, ID_ISAR6, I8MM, 0);
cpu->isar.id_isar6 = u;

if (!arm_feature(env, ARM_FEATURE_M)) {
Expand Down
13 changes: 13 additions & 0 deletions target/arm/cpu64.c
Expand Up @@ -663,6 +663,7 @@ static void aarch64_max_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64ISAR1, SPECRES, 1);
t = FIELD_DP64(t, ID_AA64ISAR1, FRINTTS, 1);
t = FIELD_DP64(t, ID_AA64ISAR1, LRCPC, 2); /* ARMv8.4-RCPC */
t = FIELD_DP64(t, ID_AA64ISAR1, I8MM, 1);
cpu->isar.id_aa64isar1 = t;

t = cpu->isar.id_aa64pfr0;
Expand Down Expand Up @@ -703,6 +704,17 @@ static void aarch64_max_initfn(Object *obj)
t = FIELD_DP64(t, ID_AA64MMFR2, ST, 1); /* TTST */
cpu->isar.id_aa64mmfr2 = t;

t = cpu->isar.id_aa64zfr0;
t = FIELD_DP64(t, ID_AA64ZFR0, SVEVER, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, AES, 2); /* PMULL */
t = FIELD_DP64(t, ID_AA64ZFR0, BITPERM, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, SHA3, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, SM4, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, I8MM, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, F32MM, 1);
t = FIELD_DP64(t, ID_AA64ZFR0, F64MM, 1);
cpu->isar.id_aa64zfr0 = t;

/* Replicate the same data to the 32-bit id registers. */
u = cpu->isar.id_isar5;
u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */
Expand All @@ -719,6 +731,7 @@ static void aarch64_max_initfn(Object *obj)
u = FIELD_DP32(u, ID_ISAR6, FHM, 1);
u = FIELD_DP32(u, ID_ISAR6, SB, 1);
u = FIELD_DP32(u, ID_ISAR6, SPECRES, 1);
u = FIELD_DP32(u, ID_ISAR6, I8MM, 1);
cpu->isar.id_isar6 = u;

u = cpu->isar.id_pfr0;
Expand Down
1 change: 1 addition & 0 deletions target/arm/cpu_tcg.c
Expand Up @@ -968,6 +968,7 @@ static void arm_max_initfn(Object *obj)
t = FIELD_DP32(t, ID_ISAR6, FHM, 1);
t = FIELD_DP32(t, ID_ISAR6, SB, 1);
t = FIELD_DP32(t, ID_ISAR6, SPECRES, 1);
t = FIELD_DP32(t, ID_ISAR6, I8MM, 1);
cpu->isar.id_isar6 = t;

t = cpu->isar.mvfr1;
Expand Down

0 comments on commit f8680aa

Please sign in to comment.